/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "usart.h"

/* USER CODE BEGIN 0 */
#include <stdio.h>
#include <string.h>

/* USER CODE END 0 */

UART_HandleTypeDef huart4;
UART_HandleTypeDef huart5;
UART_HandleTypeDef huart2;
UART_HandleTypeDef huart3;
DMA_HandleTypeDef hdma_usart2_rx;
DMA_HandleTypeDef hdma_usart3_rx;

/* UART4 init function */
void MX_UART4_Init(void)
{

  /* USER CODE BEGIN UART4_Init 0 */

  /* USER CODE END UART4_Init 0 */

  /* USER CODE BEGIN UART4_Init 1 */

  /* USER CODE END UART4_Init 1 */
  huart4.Instance = UART4;
  huart4.Init.BaudRate = 115200;
  huart4.Init.WordLength = UART_WORDLENGTH_8B;
  huart4.Init.StopBits = UART_STOPBITS_1;
  huart4.Init.Parity = UART_PARITY_NONE;
  huart4.Init.Mode = UART_MODE_TX_RX;
  huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart4.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart4) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN UART4_Init 2 */

  /* USER CODE END UART4_Init 2 */

}
/* UART5 init function */
void MX_UART5_Init(void)
{

  /* USER CODE BEGIN UART5_Init 0 */

  /* USER CODE END UART5_Init 0 */

  /* USER CODE BEGIN UART5_Init 1 */

  /* USER CODE END UART5_Init 1 */
  huart5.Instance = UART5;
  huart5.Init.BaudRate = 115200;
  huart5.Init.WordLength = UART_WORDLENGTH_8B;
  huart5.Init.StopBits = UART_STOPBITS_1;
  huart5.Init.Parity = UART_PARITY_NONE;
  huart5.Init.Mode = UART_MODE_TX_RX;
  huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart5.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart5) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN UART5_Init 2 */

  /* USER CODE END UART5_Init 2 */

}
/* USART2 init function */

void MX_USART2_UART_Init(void)
{

  /* USER CODE BEGIN USART2_Init 0 */

  /* USER CODE END USART2_Init 0 */

  /* USER CODE BEGIN USART2_Init 1 */

  /* USER CODE END USART2_Init 1 */
  huart2.Instance = USART2;
  huart2.Init.BaudRate = 115200;
  huart2.Init.WordLength = UART_WORDLENGTH_8B;
  huart2.Init.StopBits = UART_STOPBITS_1;
  huart2.Init.Parity = UART_PARITY_NONE;
  huart2.Init.Mode = UART_MODE_TX_RX;
  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART2_Init 2 */

  /* USER CODE END USART2_Init 2 */

}
/* USART3 init function */

void MX_USART3_UART_Init(void)
{

  /* USER CODE BEGIN USART3_Init 0 */

  /* USER CODE END USART3_Init 0 */

  /* USER CODE BEGIN USART3_Init 1 */

  /* USER CODE END USART3_Init 1 */
  huart3.Instance = USART3;
  huart3.Init.BaudRate = 115200;
  huart3.Init.WordLength = UART_WORDLENGTH_8B;
  huart3.Init.StopBits = UART_STOPBITS_1;
  huart3.Init.Parity = UART_PARITY_NONE;
  huart3.Init.Mode = UART_MODE_TX_RX;
  huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart3.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_Init 2 */

}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(uartHandle->Instance==UART4)
  {
  /* USER CODE BEGIN UART4_MspInit 0 */

  /* USER CODE END UART4_MspInit 0 */
    /* UART4 clock enable */
    __HAL_RCC_UART4_CLK_ENABLE();

    __HAL_RCC_GPIOC_CLK_ENABLE();
    /**UART4 GPIO Configuration
    PC10     ------> UART4_TX
    PC11     ------> UART4_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    /* UART4 interrupt Init */
    HAL_NVIC_SetPriority(UART4_IRQn, 5, 0);
    HAL_NVIC_EnableIRQ(UART4_IRQn);
  /* USER CODE BEGIN UART4_MspInit 1 */

  /* USER CODE END UART4_MspInit 1 */
  }
  else if(uartHandle->Instance==UART5)
  {
  /* USER CODE BEGIN UART5_MspInit 0 */

  /* USER CODE END UART5_MspInit 0 */
    /* UART5 clock enable */
    __HAL_RCC_UART5_CLK_ENABLE();

    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**UART5 GPIO Configuration
    PC12     ------> UART5_TX
    PD2     ------> UART5_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* UART5 interrupt Init */
    HAL_NVIC_SetPriority(UART5_IRQn, 5, 0);
    HAL_NVIC_EnableIRQ(UART5_IRQn);
  /* USER CODE BEGIN UART5_MspInit 1 */

  /* USER CODE END UART5_MspInit 1 */
  }
  else if(uartHandle->Instance==USART2)
  {
  /* USER CODE BEGIN USART2_MspInit 0 */

  /* USER CODE END USART2_MspInit 0 */
    /* USART2 clock enable */
    __HAL_RCC_USART2_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART2 GPIO Configuration
    PA2     ------> USART2_TX
    PA3     ------> USART2_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART2 DMA Init */
    /* USART2_RX Init */
    hdma_usart2_rx.Instance = DMA1_Channel6;
    hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart2_rx.Init.Mode = DMA_NORMAL;
    hdma_usart2_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart2_rx);

    /* USART2 interrupt Init */
    HAL_NVIC_SetPriority(USART2_IRQn, 5, 0);
    HAL_NVIC_EnableIRQ(USART2_IRQn);
  /* USER CODE BEGIN USART2_MspInit 1 */

  /* USER CODE END USART2_MspInit 1 */
  }
  else if(uartHandle->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspInit 0 */

  /* USER CODE END USART3_MspInit 0 */
    /* USART3 clock enable */
    __HAL_RCC_USART3_CLK_ENABLE();

    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**USART3 GPIO Configuration
    PB10     ------> USART3_TX
    PB11     ------> USART3_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* USART3 DMA Init */
    /* USART3_RX Init */
    hdma_usart3_rx.Instance = DMA1_Channel3;
    hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart3_rx.Init.Mode = DMA_NORMAL;
    hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart3_rx);

    /* USART3 interrupt Init */
    HAL_NVIC_SetPriority(USART3_IRQn, 5, 0);
    HAL_NVIC_EnableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspInit 1 */

  /* USER CODE END USART3_MspInit 1 */
  }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{

  if(uartHandle->Instance==UART4)
  {
  /* USER CODE BEGIN UART4_MspDeInit 0 */

  /* USER CODE END UART4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_UART4_CLK_DISABLE();

    /**UART4 GPIO Configuration
    PC10     ------> UART4_TX
    PC11     ------> UART4_RX
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11);

    /* UART4 interrupt Deinit */
    HAL_NVIC_DisableIRQ(UART4_IRQn);
  /* USER CODE BEGIN UART4_MspDeInit 1 */

  /* USER CODE END UART4_MspDeInit 1 */
  }
  else if(uartHandle->Instance==UART5)
  {
  /* USER CODE BEGIN UART5_MspDeInit 0 */

  /* USER CODE END UART5_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_UART5_CLK_DISABLE();

    /**UART5 GPIO Configuration
    PC12     ------> UART5_TX
    PD2     ------> UART5_RX
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_12);

    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);

    /* UART5 interrupt Deinit */
    HAL_NVIC_DisableIRQ(UART5_IRQn);
  /* USER CODE BEGIN UART5_MspDeInit 1 */

  /* USER CODE END UART5_MspDeInit 1 */
  }
  else if(uartHandle->Instance==USART2)
  {
  /* USER CODE BEGIN USART2_MspDeInit 0 */

  /* USER CODE END USART2_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART2_CLK_DISABLE();

    /**USART2 GPIO Configuration
    PA2     ------> USART2_TX
    PA3     ------> USART2_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);

    /* USART2 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmarx);

    /* USART2 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART2_IRQn);
  /* USER CODE BEGIN USART2_MspDeInit 1 */

  /* USER CODE END USART2_MspDeInit 1 */
  }
  else if(uartHandle->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspDeInit 0 */

  /* USER CODE END USART3_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART3_CLK_DISABLE();

    /**USART3 GPIO Configuration
    PB10     ------> USART3_TX
    PB11     ------> USART3_RX
    */
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);

    /* USART3 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmarx);

    /* USART3 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspDeInit 1 */

  /* USER CODE END USART3_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
#ifdef __GNUC__
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
     set to 'Yes') calls __io_putchar() */
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */

/**
  * @brief  Retargets the C library printf function to the USART.
  * @param  None
  * @retval None
  */
PUTCHAR_PROTOTYPE
{
  HAL_UART_Transmit(&huart5, (uint8_t *)&ch, 1, 0xFFFF);
  return ch;
}

USART_Frame_Recv_t g_wifi_frame_recv = { 0x00 };
USART_Frame_Recv_t g_pm25_frame_recv = { 0x00 };

void USART2_IRQHandler(void)
{
	if(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_IDLE) != RESET)  // 空闲中断标记被置位
	{
		__HAL_UART_CLEAR_IDLEFLAG(&huart2);  // 清除中断标记
		HAL_UART_DMAStop(&huart2);           // 停止DMA接收
		g_wifi_frame_recv.FramLength = RX_BUF_MAX_LEN - __HAL_DMA_GET_COUNTER(huart2.hdmarx);  // 总数据量减去未接收到的数据量为已经接收到的数据量
		g_wifi_frame_recv.Data_RX_BUF[g_wifi_frame_recv.FramLength] = 0;  // 添加结束符     
		g_wifi_frame_recv.FramFinishFlag = 1;
		if (strstr(g_wifi_frame_recv.Data_RX_BUF, "WIFI CONNECTED"))
		{
			// wifi_event_cb(WIFI_CONNECTED, 0, 0);
		}else if(strstr(g_wifi_frame_recv.Data_RX_BUF, "WIFI DISCONNECT"))
		{
			// wifi_event_cb(WIFI_DISCONNECT, 0, 0);
		}else if(strstr(g_wifi_frame_recv.Data_RX_BUF, "WIFI GOT IP"))
		{
			// wifi_event_cb(WIFI_GOT_IP, 0, 0);
		}else{
			// wifi_event_cb(WIFI_DATA_ARRIVED, (uint8_t *)g_wifi_frame_recv.Data_RX_BUF, g_wifi_frame_recv.FramLength);
		}
		
		HAL_UART_Receive_DMA(&huart2, (uint8_t *)g_wifi_frame_recv.Data_RX_BUF, RX_BUF_MAX_LEN);  // 重新启动DMA接收
	}
}

void USART3_IRQHandler(void)
{
	if(__HAL_UART_GET_FLAG(&huart3, UART_FLAG_IDLE) != RESET)  // 空闲中断标记被置位
	{
		__HAL_UART_CLEAR_IDLEFLAG(&huart3);  // 清除中断标记
		HAL_UART_DMAStop(&huart3);           // 停止DMA接收
		g_pm25_frame_recv.FramLength = RX_BUF_MAX_LEN - __HAL_DMA_GET_COUNTER(huart3.hdmarx);  // 总数据量减去未接收到的数据量为已经接收到的数据量
		g_pm25_frame_recv.Data_RX_BUF[g_pm25_frame_recv.FramLength] = 0;  // 添加结束符     
		g_pm25_frame_recv.FramFinishFlag = 1;
		if (strstr(g_pm25_frame_recv.Data_RX_BUF, "WIFI CONNECTED"))
		{
			// wifi_event_cb(WIFI_CONNECTED, 0, 0);
		}else if(strstr(g_pm25_frame_recv.Data_RX_BUF, "WIFI DISCONNECT"))
		{
			// wifi_event_cb(WIFI_DISCONNECT, 0, 0);
		}else if(strstr(g_pm25_frame_recv.Data_RX_BUF, "WIFI GOT IP"))
		{
			// wifi_event_cb(WIFI_GOT_IP, 0, 0);
		}else{
			// wifi_event_cb(WIFI_DATA_ARRIVED, (uint8_t *)g_wifi_frame_recv.Data_RX_BUF, g_wifi_frame_recv.FramLength);
		}
		
		HAL_UART_Receive_DMA(&huart3, (uint8_t *)g_pm25_frame_recv.Data_RX_BUF, RX_BUF_MAX_LEN);  // 重新启动DMA接收
	}
}

/* USER CODE END 1 */
